A full calendar can still produce disconnected content. Before deciding what to post, decide which audience question the content should answer and which business action it should support.
Build a small set of repeatable themes from real customer questions, useful examples, the work behind the service and the decisions buyers tend to delay. Then define where source material comes from and who signs it off.
A healthy system makes content easier to create, easier to review and more recognisable over time. The rhythm follows the available material and the team’s ability to sustain quality.